British-Canadian actress who played the Vulcan officer Valeris, Spock's protégée turned conspirator, in The Undiscovered Country.
Kim Cattrall (born 1956) is a British and Canadian actress best known for playing Samantha Jones in Sex and the City and its film sequels, a role that earned her a Golden Globe Award. Her other films include Big Trouble in Little China and Mannequin.
In Star Trek VI: The Undiscovered Country (1991) Cattrall played Lieutenant Valeris, a young Vulcan officer mentored by Spock who serves as the Enterprise's helmsman. She is eventually revealed as part of the conspiracy to sabotage peace with the Klingons, and Spock forcibly mind-melds with her to learn the names of her co-conspirators.